Home / 144,074.70-198,825.64-79,551.52

Finding the Fourth Proportional to 144,074.70, 198,825.64 and 79,551.52

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Solution

The fourth proportional to 144,074.70, 198,825.64 and 79,551.52 is: 109,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.70 : 198,825.64 = 79,551.52 : x
  2. Step 2: Convert to fraction form
    144,074.70/198,825.64 = 79,551.52/x
  3. Step 3: Cross multiply
    144,074.70x = 198,825.64 × 79,551.52
  4. Step 4: Simplify right side
    144,074.70x = 15,816,881,181.03
  5. Step 5: Solve for x
    x = 15,816,881,181.03/144,074.70
  6. Step 6: Final answer
    x = 109,782.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.